package com.mmall.controller.backend;

import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.User;
import com.mmall.service.ICategoryService;
import com.mmall.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

/**
 * Created by Steven.Lu on 2018/7/12.
 */
@Controller
@RequestMapping("manager/category")
public class CategoryManagerController {

    @Autowired
    private IUserService iUserService;

    @Autowired
    private ICategoryService iCategoryService;


    @RequestMapping("add_category.do")
    @ResponseBody
    public ServerResponse addCategory(HttpSession session, String categoryName, @RequestParam(value="parentId",defaultValue ="0") int parentId){
        User user=(User)session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录!");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //是管理员
            //增加我们处理分类的逻辑
            return iCategoryService.addCategory(categoryName,parentId);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作,需要管理员权限!");
        }
    }

    @RequestMapping("set_category_Name.do")
    @ResponseBody
    public ServerResponse setCategoryName(HttpSession session,Integer categoryId,String categoryName){
        User user=(User)session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录!");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //更新CategoryName
            return iCategoryService.updateCaregoryName(categoryId,categoryName);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作,需要管理员权限!");
        }
    }

    @RequestMapping("get_category .do")
    @ResponseBody
    public ServerResponse getChildrenParallelCategory(HttpSession session,@RequestParam(value="categoryId",defaultValue = "0") Integer categoryId){
        User user=(User)session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录!");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
                //查询子节点的category信息，并且不递归，保持平级
                return iCategoryService.getChildrenParallelCategory(categoryId);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作,需要管理员权限!");
        }
    }

    @RequestMapping("get_deep_category .do")
    @ResponseBody
    public ServerResponse getCategoryAndDeepChildrenCategory(HttpSession session,@RequestParam(value="categoryId",defaultValue = "0") Integer categoryId){
        User user=(User)session.getAttribute(Const.CURRENT_USER);
        if(user==null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录!");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //查询当前子节点的Id和递归子节点的Id
            return iCategoryService.selectCategoryAndChildrenById(categoryId);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作,需要管理员权限!");
        }
    }
}
